CONCISE A* A Level Biology AQA Topic 7 genetics, populations, evolution and ecosystems Revision Note

I’ve condensed the whole A Level Biology AQA course into a series of topic by topic guides. I used these notes alongside practice exam questions and managed to achieve an A* in A Level Biology in 2017. Doing well in biology isn’t all about being ‘clever’, it’s about being strategic and working smart (as well as hard work, of course). I truly believe anyone can do well.

I hope that these notes will not just help students understand biology, but also understand exactly what the examiners are looking for.

  • Easy to learn, concise, bullet point revision notes
  • Covers every point on the AQA specification - no more, no less
  • Based on the analysis of 10+ years of past papers and mark schemes (we all know how specific biology mark schemes are)
  • Some example exam data/application questions and model answers to make sure students are fully equipped for the exam

AQA A Level Biology, topic 7:

  • 3.7.1 Inheritance: genetic diagrams, monohybrid and dihybrid crosses, sex-linkage, autosomal linkage, multiple alleles, epistasis, chi-squared test…
  • 3.7.2 Populations: Hardy Weinberg principle…
  • 3.7.3 Evolution may lead to speciation: genetic variation, natural selection, stabilising/directional/disruptive selection, evolulation, allopatric and sympatric speciation, genetic drift…
  • 3.7.4 Populations in ecosystems: ecosystems, carrying capacity, predator-prey relationships, competition, estimating the size of populations, succession, conservation…
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  • Topic-7-revision-new-spec-a-level-biology-aqa.pdf

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Created: Jun 10, 2018

Updated: Nov 29, 2020

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